Bright Emission from Dark Sources in Hyperbolic Media

• URL: http://arxiv.org/abs/2606.16071v1
• Date: Sun, 14 Jun 2026 23:58:22 GMT
• Title: Bright Emission from Dark Sources in Hyperbolic Media
• Abstract summary: We show that bright emitters operating at visible or near-infrared can be used to generate radiation in this regime.<n>This enables visible and near-infrared control of light-matter interactions in polaritonic hyperbolic materials.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Hyperbolic media enable ultra-strong light-matter interactions through their extreme field localization and small mode volumes, but low-loss realizations are fundamentally limited to the mid-infrared, owing to the long lifetimes of optical phonons in high-quality crystals. Here we show that bright emitters operating at visible or near-infrared frequencies can be used to generate radiation in this regime by inducing mid-infrared population dynamics, thereby creating a source in the hyperbolic frequency band without a corresponding dipole transition. We demonstrate that even a source with vanishing dipole and higher multipole moments - strictly non-radiating in any isotropic medium - becomes radiatively active in a hyperbolic environment. This enables visible and near-infrared control of light-matter interactions in polaritonic hyperbolic materials, establishing a new low-loss solid-state quantum optics platform.

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